Opera palette
Tawny Saloon
From #00416e ink through #0069ac, #2e84c9, #5094cf to #6cb0ed light, Tawny Saloon is a triadic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#00416e
#0069ac
#2e84c9
#5094cf
#6cb0ed
The generator opens with #00416e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.